can it replace older hhd in nightowl dvr

Yes. This hard drive is compatible with all recording units.

What is the difference between 3tb purple wd30purz and wd30purz, very confusing?

Absolutely nothing. They are the same.

Is this compatible with annke surveillance camera system 8ch 1080p lite h.264+ dvr with (8) hd 1080p outdoor weatherproof cameras cctv security camera

As the owner of South Jersey Surveillance Systems, I can assure you that any WD purple or Seagate Skyhawk hard drive is the appropriate type of storage drive for any and all DVRs and NVRs.

Whats the difference between this and the red plus?

WD Blue HDDs are mainly used for general purpose storage, they are great all-rounders, and an average user can’t go wrong with Blue. WD Green is basically same as Blue, but it lacks a bit of performance. However, it is the most eco-friendly HDD, and it’s quite cheap. WD Blacks are for pure performance including gaming, media, and content creation. Also one of the most expensive HDDs. WD Red is a NAS drive. It’s optimized for NAS systems. WD Purple is for surveillance. Advised for 24/7 operation. WD Gold, probably the most premium of all. Made for a multitude of Datacenter-specific applications.

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WD Purple WD22PURZ - Hard drive - 2 TB - internal - 3.5" - SATA 6Gb/s - buffer: 256 MB

Product ID: 422806935

Details

Brand
Western
Colour
Black
Compatible devices
Camera
Connectivity technology
SATA
Digital storage capacity
2 TB
Hard disk description
Mechanical

⚡SATA 6Gb/s interface

📹Supports up to 64 cameras

🕒24/7 continuous operation

324608CFA

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Description

🔒 Keep every moment secure with WD Purple — the backbone of smart surveillance.

ROBUST 2 TB CAPACITY - Store terabytes of footage without compromise
PLUG PLAY COMPATIBILITY - Easy integration with most surveillance systems via SATA 6Gb/s
OPTIMIZED WRITE PERFORMANCE - Prioritized write-operations tuned for surveillance workloads
MASSIVE MULTI CAMERA SUPPORT - Handles up to 64 cameras seamlessly for expansive setups
SURVEILLANCE GRADE RELIABILITY - Engineered for nonstop, high-definition security systems

The WD Purple WD22PURZ is a 2TB internal 3.5-inch hard drive designed specifically for surveillance systems. Featuring a SATA 6Gb/s interface and a 256MB cache, it supports up to 64 cameras with prioritized write operations for continuous 24/7 HD recording. Built for reliability in write-intensive, low bit-rate environments, this drive ensures seamless, high-performance storage tailored exclusively for security applications.

Specifications

ASIN	B09N9XK7V4
Best Sellers Rank	112,952 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 402 in Internal Hard Drives
Box Contents	hard drive
Brand Name	Western Digital
Cache Memory Installed Size	2 TB
Color	Black
Compatible Devices	Camera
Customer Package Type	Deposit Crate
Customer Reviews	4.4 4.4 out of 5 stars (923)
Digital Storage Capacity	2 TB
EU Spare Part Availability Duration	2 Years
Form Factor	3.5-inch
Global Trade Identification Number	00718037887975, 08592978351342
Hard Disk Average Latency	4.17 Milliseconds
Hard Disk Description	Mechanical Hard Disk
Hard Disk Form Factor	3.5 Inches
Hard Disk Interface	Serial ATA
Hard Disk Rotational Speed	5400 RPM
Hard-Drive Size	2 TB
Hardware Connectivity	SATA 6.0 Gb/s
Hardware Platform	Desktop
Installation Type	Internal Hard Drive
Item Type Name	Western Digital WD22PURZ Disco Dual Interno 3.5" 2000 GB SATA
Item Weight	0.99 Pounds
Manufacturer	Western Digital
Manufacturer Part Number	WD22PURZ
Media Speed	170 megabytes_per_second
Model Name	WD22PURZ
Model Number	WD22PURZ
Network Connectivity Technology	SATA
Number of Items	1
Product Features	Backward Compatible
Product Warranty	2 year manufacturer
Read Speed	175 Megabytes Per Second
Specific Uses For Product	Multimedia
UPC	718037887975
Unit Count	1.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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324608CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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